Spinning machine

ABSTRACT

A rigid frame for a composite spinning machine having a plurality of equal longitudinal sections, each section having a plurality of spinning stations, is formed by providing in each section a pair of upright walls spaced apart a distance equal to one-half the section length and spaced inward from the section ends a distance equal to one-fourth of such length. To the outer edges of such walls are connected longitudinal members spaced elevationally and extending the full machine length, which members also form benches for supporting bobbins, spool containers and other spinning apparatus. Common drive shafts for spinning station elements extending the full machine length are formed by section length shafts being connected together by rigid couplings and mounted in a plurality of spaced bearings supported on the longitudinal members.

United States Patent 1191 Bystron et al.

[ May 21, 1974 SPINNING MACHINE 2,557,658 [75] Inventors: Bruno Bystron, Eberhard Grimm, fi g'f 2 both .8070 lngolstadt; Rudolf v y a 7 b i gf gggf i g erbrunnenreut Primary Examiner-Donald E. Watkms Attorney, Agent, or Firm-Robert W. Beach; Ms. R. [73] Assignee: Schubert & Salzer Maschinen- M. Van Winkle fabrik Aktiengesellschaft, lngolstadt, West Germany 57] ABSTRACT [22] Filed: 1973 A rigid frame for a composite spinning machine hay- [21] Appl. No.: 352,130 ing a plurality of equal longitudinal sections, each section having a plurality of spinning stations, is formed by providing in each section a pair of upright walls [30] Foreign Apphcafion Prlomy Data spaced apart a distance equal to one half the section Apr. 25, l972 Germz1ny.. 2220228 length and spaced inward from the Section ends a dis tance equal to one-fourth of such length. To the outer [1.5- CI. R, edges of uch walls are cgnnected longitudinal mem- [51] Int. Cl....; Dolh 7/10 berg spaced elevationally and extending the full m [58] Fleld of Search 57/1 R, 34 R, [12, 122, hi l ngth, which. members also form benches for 57/ 136 supporting bobbins, spool containers and other spinning apparatus. Common drive shafts for spinning sta- Referencfi Cited tion elements extending the full machine length are UNlTED STATES PATENTS formed by section length shafts being connected to- 2,994,182 8/1961 Leutert 57/1 R gather y rigid Couplings and mounted in a plurality of 1536 123 5/1925 Minshu" 7 R spaced bearings supported on the longitudinal mem- 2,880,565 5/l959 Leutert 57/1 R bers. 2,615,297 10/1952 Haythornthwaite 57/1 R 5 Claims, 3 Drawing Flgures g 11 l I 72 1 G ,1 H

K It I 1 1 F5 11 WllTlTlTlFlFlFll flffl NF k s I f 50 L v5l f 1? l F 7 L A i |s 1i (70 L 6/1951 Hoffmann 57/136 X A; :5.) A YN/N AVA YAVKVAYK YAYK Y/K YKV/(VAYAYK Y/VAYAYAYKVA PATENTEDIAY 2 1 1924 v sum 2 [If 3 PATENTED RM 2 i974 SHEE! 3 BF 3 all 1 I SPINNING MACHINE The present invention relates to structure for forming a rigid composite spinning machine frame from individual similar sections.

Spinning machines which have a plurality of aligned spinning stations are of considerable length and are therefore composed of several machine sections to facilitate fabrication and transportation. Elements which extend longitudinally of the machine, such as drive shafts and spindle rails, are composed of sections connected by coupling or fastening elements.

A textile machine of the prior art as disclosed in trian Pat. No. 272,161 is composed of similar machine sections each having end walls adjacent to the end walls of adjoining sections and a median wall for stiffening the section. The shafts of the individual sections are aligned along an axis which extends through the supporting walls and are interconnected by flexible, sliding couplings to prevent damage or breakdown especially because of the difficulty of achieving precise shaft alignment in such structure. In order to provide sufficiently rigid construction for a machine utilizing this structure, three frame walls per machine section are required; and, furthermore, the couplings are expensive to make. A further disadvantage is the inflexibility of such a machine construction which does not permit variation of spatial locations of longitudinal members as necessary for various types of machine applications.

One other prior construction for a circular or ringspinning machine, which is composed of individual machine sections for each spinning device, is disclosed in German Pat. No. 813,969. In this construction the sections are joined by abutment or adjoining frame members and the drive shaft axes are located inwardly of the frame section. Short, intermediate shafts coupling the individual shafts are accessible from the front of the machine rather than extending through the frame walls, but the main shaft sections are not readily accessible. Furthermore, combining the individual sections requires longitudinal members of varying lengths which makes fabrication more costly and installation of the machine more difficult and expensive. The number of sections, and therefore the number of frame walls and connecting pieces, are high and result in expensive construction.

It is the principal object of the present invention to provide a spinning machine composed of a plurality of similar machine sections which can be easily completely connected and quickly installed and which sections are sufficiently stable for shipment individually. It is a further important object to reduce the number of frames walls required while providing ample stability and rigidity. Another object is to provide construction by which the longitudinal machine members can be selectively located in different spatial relationships.

These objects are accomplished by the present invention by having a separation interval between adjacent frame walls corresponding approximately to one-half the length of the machine section. The walls are spaced inward from opposite ends of the section a distance corresponding to one-fourth of the section length. Such an arrangement uniformly stiffens the machine section; and, when several sectionsare joined to form a composite machine, equal intervals between walls are provided along its length. While the interval between ween Au swalls can be increased and decreased somewhat to adapt to special space requirements, it is generally undesirable to have unequal machine fields between the upright frame walls. The sections can be joined by longitudinal construction members with their connections located on a common upright plane or connections for different longitudinal members may be located in various upright planes not necessarily uniformly spaced along each interval defined between a series of upright frame walls. It is preferred that the axially aligned shaft sections extending longitudinally of the machine be connected by couplings rigid in direction of rotation which are easily manufactured and easy to handle during installation. Longitudinal members are easily installed, require less expensive construction and are readily accessible for maintenance by being located outwardly from the frame walls.

FIG. 1 is a diagrammatic front elevation of a spinning machine composed of two identical machine sections having longitudinal members disposed with their corresponding connection points on a common, vertical plane.

FIG. 2 is a diagrammatic front elevation of a modifled spinning machine showing a plurality of longitudinal members having their junctions offset, relatively, longitudinally of the machine.

FIG. 3 is an enlarged fragmentary front elevation of a shaft coupling'with parts in section.

The spinning machines shown in FIGS. 1 and 2 include only the parts essential for explanation of the present invention. The machine of FIG. 1 is composed of two identical, contiguous machine sections I and II connected to an end frame 1 containing drive mechanism for the machine and an end frame 2 on the machine end opposite frame 1. Each of the sections I and II have an identical number of horizontally disposed longitudinal members which are shown as including a support bench 3 which may, for example, hold production materials or supply devices, a supporting bench 4 for mounting the yarn or thread-spinning units 41, a spool'drive shaft 5, a bench 6 for spool holders and carrying bearings 50 and 51 for the shaft 5, and a lower longitudinal member 7. In this instance the length of each machine section is selected to accommodate eight spinning units 41 which are spaced apart equidistantly an interval t from center to center. All of the longitudinal members 3, 4, 5, 6 and 7 are of equal length, and the corresponding members of sections'l and II are disengageably connected at their abutting locations, which locations'lie along a common upright plane. Similarly, the outer ends of the supporting benches 3, 4 and 6 and the longitudinal member 7 are disengageably connected to connectors 10 projecting from frame 1 and connectors 20 projecting from frame 2 so that they can be released. The connectors 10 and 20 project from their respective end frames 1 and 2 a short distance preferably having a length t/2 or one-half the interval between centers of adjacent spinning devices 41. Similarly, a connecting shaft 13 projects outwardly from frame 1 a distance t/2 for coupling with spool drive shaft 5 by a releasable connection.

The supporting benches 3, 4 and 6 of each machine section I or II are supported and stabilized in their respective positions by two upright frame walls 81, 82 in section I and 83, 84 in section II. Such walls rest on longitudinal members 7 and extend transversely such members between adjacent spinning devices to the oppositc side of the machine which has a corresponding set of spinning devices and longitudinal members. In accordance with the present invention the separation interval t between frame walls 81 and 82 or 83 and 84 corresponds approximately to half .the length of the machines sections 1 or 2. While the longitudinal elements 3, 4, 6, and 7 are supported from and interconnect important to maintain a separation interval t, between the two walls of each section, the longitudinal location of the spaced walls is not critical. One of such walls can be located between any adjacent pair of spinning devices 41 and the other wall then will be located by the specified separation interval. lt is preferred, however, that the walls of each section be arranged symmetrically longitudinally of the machine section whereby each of the walls is spaced inwardly from its respective end of each section a distance equal to one-fourth the length of the section. This arrangement will assure that the supporting points for the longitudinal members 3, 4, '5, 6 and 7 will be evenly distributed over'the full length of the machine.

The connection of sections of the spool drive shaft supported in bearings 50,51 is effected by use of a coupling 52 which is rigid in direction of rotation. An especially suitable coupling is shown in FIG. 3 which is somewhat flexible to enable any slight disparity in the correct alignment of the shaft sections to be compensated for. A sprocket hub 52 on the end of one shaft section supported in bearing 50 is connected to a similar sprocket hub 53 on the'end of the next shaft section supported in bearing 51 by a roiler chain 54. These couplings are simple in construction and permit equalization of slight displacements of the shaft axes from their aligned position which may be effected by setting supporting feet 70 which will elevationally adjust walls 81, 82, 83 and 84 individually.

By the arrangement of the upright frame walls in accordance with the presentinvention, not only are the number of walls reduced to a minimum, but the longitudinal members can be connected at various locations longitudinally of the machine. One application in which offsetconnections are desirable is in spinning'machines having two spool mounts for each spinning unit 41 to provide for continuous winding of yarn or thread produced without interupting the spinning or twisting operation when one spool is filled. Since the interval 1 between adjacent spinning units is small, the spools cannot be located side by side but must be located at different elevational levels and slightly offset longitudinally. FIG. 2 shows a spinning machine for this purpose having two identical sections land II. In addition to the longitudinal members 3, 4, 5, 6 and 7, another spool drive shaft 8 is provided, set in bearings 50 and 51 and having its sections connected by couplings 52. The bearings are carried by an additional supporting bench 9 for the additional set of spool holders. These longitudinal elements8 and 9 are of the same length as members 3, 4, 5, 6 and 7 and can be identical to members 5 and 6, respectively. The spools on bench 9 may collect yarn or thread from the even-numbered spinning .4 units and the spools on bench 6 receive yarn or thread from the alternate odd-numbered units 41. Since the spools on the two levels 6 and 9 must be offset to prevent interference with the thread from adjacent spinning units, it is preferable to have the connections similarly offset to avoid interference of the connecting means and bearings with spool location. In FIG. 2 the connecting locations of drive shafts 5 and 8 and of the spools benches 6 and 9 are offset from one another in upright planes separated by an interval r and further are offseton opposite sides of the upright plane through the connections of members 3, 4 and 7 by an interval of approximately t/2. Since the ends of members 3, 4 and 7'are spaced from end frames 1 and 2 a distance t/2, shaft 5 and bench 6 can abut directly against frame 1 at the right side of the machine as seen in PK]. 2 and the opposite end of bench 6 is connected to frame 2 by a connection 21. Shaft 8 and bench 9, on the other hand, abut frame end 2 and are connected to frame 1 by spacing connectors 12 and 11, respectively. Connectors ll, 12 and 21 are of length t which is the length of the interval between longitudinal centers of the spinning units 41. With this arrangement the spools are accurately located in their offset relationship, and shafts 5 and 8 and benches 6 and 9 can be of identical construction, respectively, for reducing the cost of fabrication by reducing the number of different section components. I

The present invention is not restricted to a particular machine type; it can'be used-in all spinning machines having a plurality of spinning units, for example, ring spinning machines, ring twisting machines, two-for-one twisting'machines, or open end spinning machines.

We claim:

1.'A spinning machine comprising a plurality of dislength of the longitudinal members, said machines sections being connectable together in end-to-end relationship by connecting adjacent ends of corresponding longitudinal members.

2. The spinning machine defined in claim 1, in which one frame wall member is spaced inwardly from one end of one of the longitudinal members a distance substantially equal to one-fourth of the length of such longitudinal member; and the other frame wall member is spaced inwardly from the opposite end of said longitudinal member a distance substantially equal to onefourth of the length of such longitudinal member.

3. The spinning machine defined in claim 1, in which the locations at which adjacent ends of corresponding longitudinal members are connected together are in a common upright plane.

4. The spinning machine defined in claim 1, in which the location at which adjacent ends of one set of correshafts of adjacent sections. 

1. A spinning machine comprising a plurality of discrete, identical machine sections, each including a plurality of substantially horizontal longitudinal members having a length substantially equal to the length of one of the machine sections, two upright frame wall members extending transversely of said longitudinal members at one side thereof, said frame walls being spaced apart a distance substantially equal to one-half the length of the longitudinal members, said machines sections being connectable together in end-to-end relationship by connecting adjacent ends of corresponding longitudinal members.
 2. The spinning machine defined in claim 1, in which one frame wall member is spaced inwardly from one end of one of the longitudinal members a distance substantially equal to one-fourth of the length of such longitudinal member, and the other frame wall member is spaced inwardly from the opposite end of said longitudinal member a distance substantially equal to one-fourth of the length of such longitudinal member.
 3. The spinning machine defined in claim 1, in which the locations at which adjacent ends of corresponding longitudinal members are connected together are in a common upright plane.
 4. The spinning machine defined in claim 1, in which the location at which adjacent ends of one set of corresponding longitudinal members are connected is in a first upright plane and the location at which adjacent ends of a second set of corresponding longitudinal members are connected is in a second upright plane spaced from the first upright plane.
 5. The machine defined in claim 1, in which one of the longitudinal members is a rotatable shaft, and a coupling which is rigid in direction of rotation and connecting the adjacent ends of corresponding rotatable shafts of adjacent sections. 